76 TRACHELIPODA. 



with dark brown ; and covered with decussated striae. Three 

 inches long. Inhabits the Indian ocean. 



Genus 31.— FUSUS Lamarck. 



Generic Character. — Shell fusiform or sub-fusiform, with a 

 canal at the base ; middle or lower part ventricose, without 

 varices ; spire produced ; margin of the outer lip without a 

 notch ; columella smooth ; aperture produced^ with a horny 

 operculum. 



Fusus corneus. — The Horny Fusus. Plate XII. fig. 5. 

 Elongated, with eight convex volutions^ striated spirally, and 

 covered by an olivaceous epidermis ; beak long, oblique. Three 

 inches long. Inhabits the seas of Northern Europe. 



Genus 32. — FASCIOLARIA.— Lamarck. 



Generic Character. — Shell sub-fusiform, with a canal at its 

 base ; without varices ; columella with two or three oblique 

 plaits. 



Fasciolaria trapezium. — The Quadrangular Fasciolaria. 

 Plate XII. fig. 6. Ventricose, obtusely angled; volutions 

 nodulous ; reddish fawn-coloured, with transverse, double, 

 slightly undulated lines ; inside of aperture with reddish stride. 

 Six inches long. Inhabits the Indian ocean. 



Genu 33.— CANCELLARIA.— XanzarcA. 



Generic Character. — Shell oval or turrited ; base of the 

 aperture sub-canaliculated ; canal very short, almost none ; 

 columella plicated, the plaits varying in number ; usually trans- 

 verse ; lip internally furrowed. 



Cancellaria reticulata.— The Reticulated Cancellaria. 

 Plate XII. fig. 4. Oval, strong, ventricose, with distant, coarse, 

 reticulated strias ; sometimes with yellow or orange bands ; pillar 

 with three plaits ; aperture white. Two inches long. Inhabits 

 the Atlantic ocean. 



Genus 34.— TURBINELLA.— ZawjarcA. 

 Generic Character. — SheW turbinated or sub-fusiform; with 



